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Question about Samsung HCN4226W 42" Rear Projection HDTV-Ready Television

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I'm Told The Red Gun Is Bad On My Samsung HCM4215W TV

Where does one find a red gun and how do you install it?

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Im Sorry to say the red gun is sealed in to the crt not a lot can be done. Time to get a new TV.

Posted on Sep 02, 2007

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Related Questions:

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Samsung 42 inch LCD TV has lost the red gun.

There is no red gun, one of several boards is possible for no red, welcome to TV repair in 2012.

Someone will need a schematic, signal generator, scope, voltmeter and skill to trace it .
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I was told I may need a new gun for my samsung 42' what is a gun

Its the picture tube also refered to as a CRT. You can get replacements with instructions on how to do the replacement at the following link.
http://servicemanuals.vstore.ca/
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Sony Rear Projection TV Bad Red Gun?

Cost of rebuilt tube is 252.00 and is done in tucker georgia.this was the price qouted 2 yrs ago. But if a shop has good used one ask how much they will fix it for.
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Red Convergence Issue( Samsung HCM4215W)

Bad chips or faulty soldering.

Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

You can see more examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull
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2answers

Red convergence problem - Mitsubishi 65

It sounds like your red gun might be close to going, we had the same problem our tv. The red was off and couldnt really be adjusted but the others were alright. We were told that the red gun was nearing the end of its life and it could cost upwards of $1000 to fix, so we just got a new tv. i would suggest having a tv tech come out and look just to make sure, but thats wut it sounds like.
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Sanyo DS35510 35" TV Problem

the red gun or the video driver ic went bad, nothing you can do alone, if the red gun went bad you will need to replace the crt wich is too expensive
Jose
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Red gun suddenly went wacko

Red Convergence IC bad.....small circuit board by itself up
above main boards..........replace both IC's for reliability...
STK392-040.........DO NOT USE GENERIC IC'S ! I use only
PANASONIC brand = no re-calls !!
Re-align when repair complete............T.
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Zenith r57w46 red gun

Help its convergences is off...call back or what?
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Color Problem:

in Monitor CRT Red-Blue-green cathode guns are there.. Mixing of these colour we can get the original colour chrominace technique. if any of the colour gun is faulty we would get more REad or blue or green picture. Measure RGB voltages. you can verfify which gun is faulty. if then check RGB processing circuits. Else there might be problem Chrominance colour decoder system. Contact service centre
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